Vimmia Reversible High Waist Legging in Blue. - size XS (also in ) Vimmia Reversible High Waist Legging in Blue. - size XS (also in ) Self: 86% nylon 14% spandexContrast: 87% nylon 13% spandex. 4-way stretch fit. Hidden waist seam pocket. Moisture-wicking fabric. Reversible. VIMR-WM235. 0966. Vimmia is a collection of luxe performance activewear styles developed and designed for the woman who balances life, love, family, fitness and time for her self.